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In a Recent Survey of High School Students,it Was Found

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In a recent survey of high school students,it was found that the average amount of money spent on entertainment each week was normally distributed with a mean of $52.30.Suppose you are told that there is an 80% probability that a randomly-selected student spends somewhere between $49.74 and $54.86.What is the standard deviation of the amount of money spent by high school students monthly?


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Unincorporated Business

A business structure without a separate legal entity from its owner, where the owner is personally responsible for the business's debts and obligations.

Specialized Equipment

Tools or machinery designed for a specific, often technical or industrial, purpose, necessitating particular skills for operation.

Known Principal

A principal whose identity is disclosed to the third party by the agent at the time of a particular transaction.

Agent Liability

The legal responsibility of an agent to act in the best interest of their principal, facing consequences for failure to comply.

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